<video id="example_video_1" class="video-js" width="700" 
height="289" controls="controls" preload="auto" 
poster="html5/oceans-clip.png">
    <source src="html5/video/watch.mp4" type='video/mp4; codecs="avc1.42E01E, mp4a.40.2"' />
    <source src="html5/video/oceans-clip.webm" type='video/webm; codecs="vp8, vorbis"' />
    <source src="html5/video/oceans-clip.ogv" type='video/ogg; codecs="theora, vorbis"' />
</video>